13F-HR filed by Rock Springs Capital Management LP
Rock Springs Capital Management LP filed this 13F-HR for the quarter ended 2024-03-31, filed 2024-05-15, with 114 holding rows worth $3,938,846,355.
- Accession
- 0001172661-24-002385
- Filer
- CIK 1595725
- Filed
- 2024-05-15
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q1 2024
A holdings report, 114 entries on the cover page, a total value of $3,938,846,355 stated on the cover page (in dollars after the unit check, H1), rows summing to $3,938,846,355 with VALUE read as dollars as filed, 13F file number 028-16048. The quarter's positions are built on this report. The resolved quarter.
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| BLUEPRINT MEDICINES CORP | 09627Y109 | COM | 2,498,448 | $237,002,777 | dollars as filed | |
| IMMUNOCORE HLDGS PLC ADS | 45258D105 | ADR | 2,367,816 | $153,908,040 | dollars as filed | |
| NEUROCRINE BIOSCIENCES INC | 64125C109 | COM | 1,054,900 | $145,491,808 | dollars as filed | |
| EVOLENT HEALTH INC CL A | 30050B101 | Stock | 3,987,500 | $130,750,125 | dollars as filed | |
| Intuitive Surgical,Inc. | 46120E602 | COM | 298,500 | $119,128,365 | dollars as filed | |
| UnitedHealth Group Inc | 91324P102 | COM | 230,000 | $113,781,000 | dollars as filed | |
| PENUMBRA INC COM | 70975L107 | Stock | 505,000 | $112,705,900 | dollars as filed | |
| IDEXX LABS INC COM | 45168D104 | Stock | 179,250 | $96,782,453 | dollars as filed | |
| ACADIA HEALTHCARE COMPANY INC COM | 00404A109 | Stock | 1,177,500 | $93,281,550 | dollars as filed | |
| ARGENX SE SPONSORED ADR | 04016X101 | ADR | 229,250 | $90,260,310 | dollars as filed | |
| Boston Scientific Corporation | 101137107 | COM | 1,232,500 | $84,413,925 | dollars as filed | |
| ULTRAGENYX PHARMACEUTICAL IN | 90400D108 | COM | 1,774,938 | $82,871,855 | dollars as filed | |
| DEXCOM INC COM | 252131107 | Stock | 596,750 | $82,769,225 | dollars as filed | |
| Eli Lilly and Company | 532457108 | COM | 103,250 | $80,324,370 | dollars as filed | |
| FRESHPET INC COM | 358039105 | Stock | 662,500 | $76,757,250 | dollars as filed | |
| MADRIGAL PHARMACEUTICALS INC COM | 558868105 | Stock | 285,931 | $76,355,014 | dollars as filed | |
| EXACT SCIENCES CORP COM | 30063P105 | Stock | 1,059,750 | $73,186,335 | dollars as filed | |
| ALIGN TECHNOLOGY INC COM | 016255101 | Stock | 220,000 | $72,142,400 | dollars as filed | |
| RHYTHM PHARMACEUTICALS INC | 76243J105 | COM | 1,522,893 | $65,986,954 | dollars as filed | |
| EDWARDS LIFESCIENCES CORP COM | 28176E108 | Stock | 647,300 | $61,855,988 | dollars as filed | |
| KYMERA THERAPEUTICS INC | 501575104 | COM | 1,522,238 | $61,193,968 | dollars as filed | |
| CELLDEX THERAPEUTICS INC NEW | 15117B202 | COM NEW | 1,372,185 | $57,590,604 | dollars as filed | |
| PHREESIA INC | 71944F106 | COM | 2,365,000 | $56,594,450 | dollars as filed | |
| INSULET CORP COM | 45784P101 | Stock | 320,000 | $54,848,000 | dollars as filed | |
| WEST PHARMACEUTICAL SVSC INC COM | 955306105 | Stock | 137,250 | $54,311,198 | dollars as filed | |
| XENON PHARMACEUTICALS INC COM | 98420N105 | Stock | 1,255,577 | $54,052,590 | dollars as filed | |
| AGILON HEALTH INC | 00857U107 | COM | 8,835,000 | $53,893,500 | dollars as filed | |
| MERUS N V | N5749R100 | COM | 1,146,560 | $51,629,597 | dollars as filed | |
| AGIOS PHARMACEUTICALS INC | 00847X104 | COM | 1,764,505 | $51,594,126 | dollars as filed | |
| HUMANA INC COM | 444859102 | Stock | 147,408 | $51,109,302 | dollars as filed | |
| MIRUM PHARMACEUTICALS INC | 604749101 | COM | 1,856,564 | $46,636,888 | dollars as filed | |
| IRHYTHM HOLDINGS INC COM | 450056106 | Stock | 392,250 | $45,501,000 | dollars as filed | |
| SHOCKWAVE MED INC | 82489T104 | COM | 135,000 | $43,960,050 | dollars as filed | |
| ASCENDIS PHARMA A/S DKK 1.0 AD | 04351P101 | SPONSORED ADR | 290,000 | $43,839,300 | dollars as filed | |
| SAREPTA THERAPEUTICS INC | 803607100 | COM | 327,600 | $42,411,096 | dollars as filed | |
| AZENTA INC | 114340102 | COM | 694,750 | $41,879,530 | dollars as filed | |
| OLINK HLDG AB | 680710100 | ADR | 1,676,500 | $39,414,515 | dollars as filed | |
| IMMUNOVANT INC | 45258J102 | COM | 1,150,123 | $37,160,474 | dollars as filed | |
| ACCOLADE INC | 00437E102 | COM | 3,540,000 | $37,099,200 | dollars as filed | |
| ALNYLAM PHARMACEUTICALS INC COM | 02043Q107 | Stock | 244,000 | $36,465,800 | dollars as filed | |
| AKERO THERAPEUTICS INC | 00973Y108 | COM | 1,299,888 | $32,835,171 | dollars as filed | |
| OSCAR HEALTH INC | 687793109 | CL A | 2,110,000 | $31,375,700 | dollars as filed | |
| PACIRA BIOSCIENCES INC COM | 695127100 | Stock | 1,055,500 | $30,841,710 | dollars as filed | |
| REVOLUTION MEDICINES INC COM | 76155X100 | Stock | 923,681 | $29,770,239 | dollars as filed | |
| LIFESTANCE HEALTH GROUP INC | 53228F101 | COM | 4,780,000 | $29,492,600 | dollars as filed | |
| SURGERY PARTNERS INC | 86881A100 | COM | 985,000 | $29,382,550 | dollars as filed | |
| WARBY PARKER INC | 93403J106 | CL A COM | 2,080,000 | $28,308,800 | dollars as filed | |
| INOZYME PHARMA INC | 45790W108 | COM | 3,681,174 | $28,197,793 | dollars as filed | |
| INSPIRE MED SYS INC COM | 457730109 | Stock | 130,500 | $28,030,095 | dollars as filed | |
| LEGEND BIOTECH CORP | 52490G102 | SPONSORED ADS | 499,486 | $28,016,170 | dollars as filed | |
| MEREO BIOPHARMA GROUP PLC | 589492107 | CMN | 8,142,109 | $26,868,960 | dollars as filed | |
| TRAVERE THERAPEUTICS INC | 89422G107 | COM | 3,424,818 | $26,405,347 | dollars as filed | |
| CEREVEL THERAPEUTICS HLDNG I | 15678U128 | COM | 547,946 | $23,161,677 | dollars as filed | |
| DISC MEDICINE INC COM | 254604101 | Stock | 363,468 | $22,629,518 | dollars as filed | |
| COLLEGIUM PHARMACEUTICAL INC | 19459J104 | COM | 562,000 | $21,816,840 | dollars as filed | |
| VIKING THERAPEUTICS INC | 92686J106 | COM | 261,000 | $21,402,000 | dollars as filed | |
| DYNAVAX TECHNOLOGIES CORP | 268158201 | COM NEW | 1,675,474 | $20,792,632 | dollars as filed | |
| ZAI LAB LTD ADR | 98887Q104 | ADR | 1,297,123 | $20,779,910 | dollars as filed | |
| MACROGENICS INC | 556099109 | COM | 1,305,250 | $19,213,280 | dollars as filed | |
| NOVO-NORDISK A S ADR | 670100205 | ADR | 147,500 | $18,939,000 | dollars as filed | |
| KRYSTAL BIOTECH INC COM | 501147102 | Stock | 103,969 | $18,499,204 | dollars as filed | |
| BIOCRYST PHARMACEUTICALS INC COM | 09058V103 | Stock | 3,496,256 | $17,760,980 | dollars as filed | |
| STRUCTURE THERAPEUTICS INC COMP | 86366E106 | EQUITY | 412,649 | $17,686,136 | dollars as filed | |
| PHARVARIS NV | N69605108 | COMMON STOCK | 752,924 | $17,400,074 | dollars as filed | |
| PROTHENA CORP PLC SHS | G72800108 | Stock | 625,048 | $15,482,439 | dollars as filed | |
| NEVRO CORP | 64157F103 | COM | 1,065,000 | $15,378,600 | dollars as filed | |
| VERA THERAPEUTICS INC | 92337R101 | COMMON STOCK | 341,168 | $14,711,164 | dollars as filed | |
| Mersana Therapeutics Inc | 59045L106 | Common Stock | 3,046,782 | $13,649,583 | dollars as filed | |
| AMICUS THERAPEUTICS INC | 03152W109 | COM | 1,152,656 | $13,578,288 | dollars as filed | |
| CRINETICS PHARMACEUTICALS INC COM | 22663K107 | Stock | 289,400 | $13,546,814 | dollars as filed | |
| CHARLES RIV LABS INTL INC | 159864107 | COM | 48,500 | $13,141,075 | dollars as filed | |
| BIOMARIN PHARMACEUTICAL INC | 09061G101 | COM | 148,832 | $12,998,987 | dollars as filed | |
| DYNE THERAPEUTICS INC COM | 26818M108 | Stock | 451,824 | $12,827,283 | dollars as filed | |
| JASPER THERAPEUTICS INC | 471871202 | COM NEW | 404,335 | $11,871,276 | dollars as filed | |
| COMPASS THERAPEUTICS INC | 20454B104 | COM | 5,513,788 | $10,917,300 | dollars as filed | |
| EDAP TMS S A | 268311107 | SPONSORED ADR | 1,475,000 | $10,841,250 | dollars as filed | |
| MINERALYS THERAPEUTICS INC | 603170101 | COM | 792,615 | $10,232,660 | dollars as filed | |
| Applied Therapeutics Inc | 03828A101 | Common Stock | 1,497,918 | $10,185,842 | dollars as filed | |
| NUVALENT INC COM | 670703107 | Stock | 125,302 | $9,408,927 | dollars as filed | |
| ACUMEN PHARMACEUTICALS INC | 00509G209 | CMN | 2,300,059 | $9,315,239 | dollars as filed | |
| IMMATICS N.V | N44445109 | SHS | 848,751 | $8,920,373 | dollars as filed | |
| NEUMORA THERAPEUTICS INC. | 640979100 | COM | 646,118 | $8,884,123 | dollars as filed | |
| ENLIVEN THERAPEUTICS INC COM | 29337E102 | Stock | 428,571 | $7,538,564 | dollars as filed | |
| CG ONCOLOGY INC | 156944100 | COMMON STOCK | 170,859 | $7,500,710 | dollars as filed | |
| BIOHAVEN LTD | G1110E107 | COM | 126,984 | $6,944,755 | dollars as filed | |
| FULCRUM THERAPEUTICS INC | 359616109 | COMMON STOCK | 727,673 | $6,869,233 | dollars as filed | |
| AUTOLUS THERAPEUTICS PLC SPON | 05280R100 | COM | 1,032,988 | $6,590,463 | dollars as filed | |
| PULMONX CORP | 745848101 | COM | 652,400 | $6,047,748 | dollars as filed | |
| AURINIA PHARMACEUTICALS INC COM | 05156V102 | Stock | 1,150,347 | $5,763,238 | dollars as filed | |
| ESSA PHARMA INC | 29668H708 | COM NEW | 677,005 | $5,747,772 | dollars as filed | |
| PLIANT THERAPEUTICS INC | 729139105 | COM | 384,996 | $5,736,440 | dollars as filed | |
| BEAM THERAPEUTICS INC | 07373V105 | COM | 147,510 | $4,873,730 | dollars as filed | |
| ALNYLAM PHARMACEUTICALS INC COM | 02043Q107 | Stock | 32,500 | $4,857,125 | dollars as filed | call |
| VINCERX PHARMA INC | 92731L106 | COM NEW | 891,719 | $4,512,098 | dollars as filed | |
| KYVERNA THERAPEUTICS INC | 501976104 | COMMON STOCK | 178,963 | $4,445,441 | dollars as filed | |
| SAGIMET BIOSCIENCES INC A | 786700104 | COMMON STOCK | 770,671 | $4,177,037 | dollars as filed | |
| GOSSAMER BIO INC COM | 38341P102 | Stock | 3,266,960 | $3,855,013 | dollars as filed | |
| GOSSAMER BIO INC | 38341PAA0 | NOTE 5.000% 6/0 | 9,573,000 | $3,844,670 | dollars as filed | principal |
| ADAPTIMMUNE THERAPEUTICS PLC | 00653A107 | SPONDS ADR | 2,425,468 | $3,832,239 | dollars as filed | |
| ACLARIS THERAPEUTICS INC COM | 00461U105 | Stock | 2,753,495 | $3,414,334 | dollars as filed | |
| COMPUGEN LTD | M25722105 | ORD | 1,289,990 | $3,328,174 | dollars as filed | |
| AMYLYX PHARMACEUTICALS INC | 03237H101 | COM | 1,011,412 | $2,872,410 | dollars as filed | |
| TRAVERE THERAPEUTICS INC | 761299AB2 | NOTE 2.500% 9/1 | 3,250,000 | $2,841,576 | dollars as filed | principal |
| BIOMEA FUSION INC | 09077A106 | CMN | 181,147 | $2,708,148 | dollars as filed | |
| NOVAVAX INC | 670002401 | COM NEW | 537,625 | $2,569,848 | dollars as filed | |
| CYPHERPUNK TECHNOLOGIES INC | 52187K200 | COM NEW | 911,937 | $2,425,752 | dollars as filed | |
| SPRUCE BIOSCIENCES INC | 85209E109 | COM | 2,609,125 | $2,050,511 | dollars as filed | |
| NEUROCRINE BIOSCIENCES INC | 64125CAD1 | NOTE 2.250% 5/1 | 1,000,000 | $1,807,250 | dollars as filed | principal |
| VIGIL NEUROSCIENCE INC | 92673K108 | COM | 471,958 | $1,609,377 | dollars as filed | |
| Xilio Therapeutics Inc. | 98422T100 | COM | 1,440,759 | $1,556,020 | dollars as filed | |
| RENEO PHARMACEUTICALS INC | 75974E103 | COM | 751,730 | $1,247,872 | dollars as filed | |
| NEVRO CORP | 64157FAC7 | NOTE 2.750% 4/0 | 500,000 | $473,869 | dollars as filed | principal |
| TALPHERA INC | 00444T209 | COM NEW | 316,460 | $325,954 | dollars as filed | |
| NUVATION BIO INC | 67080N119 | WARR | 134,028 | $40,543 | dollars as filed |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001172661-24-002385 | this filing | 2024-05-15 | acceptance time not in the bulk data set |